. Orthodontia, or malposition of the human teeth; its prevention and remedy . PRACTICAL TREATJNIENT. 203 the power consisted of a short piece of elastic braid, to oneend of which were attached three small gold rings and tothe other a gold bar fitted with tube, ring-bolt and nut, asseen in Fig. 156. In use the three gold rings engaged with the three pins Fm. 156. oil palatal fig. 157. bar while the ring-bolt was caught over the central pin on labial bar. The elasticity of the braid, after being lessened by the moving of the toothwas increased by turning the nut on the ring-bolt. The completed f
. Orthodontia, or malposition of the human teeth; its prevention and remedy . PRACTICAL TREATJNIENT. 203 the power consisted of a short piece of elastic braid, to oneend of which were attached three small gold rings and tothe other a gold bar fitted with tube, ring-bolt and nut, asseen in Fig. 156. In use the three gold rings engaged with the three pins Fm. 156. oil palatal fig. 157. bar while the ring-bolt was caught over the central pin on labial bar. The elasticity of the braid, after being lessened by the moving of the toothwas increased by turning the nut on the ring-bolt. The completed fixture in position is shown in Fig. of the appliances mentioned need be worn long, forthe continuous pressure will quickly cause recession of thetooth.
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Keywords: ., bo, bookcentury1800, bookdecade1890, bookidorthodontiaormal00guil
